CO-OCCURRENCE

Pronunciation (US):

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 Dictionary entry overview: What does co-occurrence mean? 

• CO-OCCURRENCE (noun)
  The noun CO-OCCURRENCE has 2 senses:

1. an event or situation that happens at the same time as or in connection with another

2. the temporal property of two things happening at the same time

  Familiarity information: CO-OCCURRENCE used as a noun is rare.

 Dictionary entry details 

• CO-OCCURRENCE (noun)

Sense 1

Meaning:

An event or situation that happens at the same time as or in connection with another

Classified under:

Nouns denoting natural events

Synonyms:

accompaniment; attendant; co-occurrence; concomitant

Hypernyms ("co-occurrence" is a kind of...):

happening; natural event; occurrence; occurrent (an event that happens)

Hyponyms (each of the following is a kind of "co-occurrence"):

associate (any event that usually accompanies or is closely connected with another)

background (relatively unimportant or inconspicuous accompanying situation)

Derivation:

co-occurrent (occurring or operating at the same time)

cooccur (go with, fall together)

Sense 2

Meaning:

The temporal property of two things happening at the same time

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

co-occurrence; coincidence; concurrence; conjunction

Context example:

the interval determining the coincidence gate is adjustable

Hypernyms ("co-occurrence" is a kind of...):

simultaneity; simultaneousness (happening or existing or done at the same time)

Hyponyms (each of the following is a kind of "co-occurrence"):

concomitance (occurrence or existence together or in connection with one another)

overlap (the property of partial coincidence in time)

contemporaneity; contemporaneousness (the quality of belonging to the same period of time)

unison (occurring together or simultaneously)

Derivation:

co-occurrent (occurring or operating at the same time)

 Context examples 

Expresses the extent to which the observed frequency of co-occurrence differs from that expected under the null hypothesis.

(Mutual Information Value, NCI Thesaurus)

Alzheimer's is a clinical disorder partially confirmed at autopsy by the co-occurrence in the brain of two proteins: amyloid beta, and a second called tau.

(New research detects Alzheimer's disease markers in nonhuman primates, National Science Foundation)